Nowhere in San Francisco can you find a higher concentration of opulent homes than in Pacific Heights. Here, tech moguls live side by side with movers and shakers of high society — Dianne Feinstein, Gordon and Ann Getty, Larry Ellison, Mark Pincus, Danielle Steel and Nancy Pelosi are but a handful of the tony neighborhood’s ultra high net worth residents. In 2013, the trophy “Billionaire’s Row” property at 2950 Broadway (pictured above) traded hands for $35,000,000, making it the most …